Chapter 1: Matter
This state of matter has neither a definite shape nor a definite volume.
What is a gas?
The symbol m represents which metric prefix?
What is milli?
Atoms of the same element with different masses are called this.
What are isotopes?
How many valence electrons do atoms want?
What is 8?
Mr. Ruby's favorite color!
What is blue?
Smelting iron to make a sword is an example of this type of change.
What is a physical change?
How many grams are in 1.53 kilograms?
What is 1530 grams?
How many neutrons are present in an atom of Selenium-80?
What is 46 neutrons?
Why do noble gasses make good candidates for Electron Configuration shortcuts?
What is they have full valence shells?
Wavelength and frequency have this type of relationship.
What is inverse?
Dry Ice turns straight from a solid into a gas at room temperature. This is an example of this type of change.
What is physical?
How many milliliters are in 2.6 Megaliters?
What is 2.6 x 109 milliliters?
How many moles of molecules are in 100 grams of CaCl2?
What is 0.901 moles?
The element that matches this electron configuration:
[Xe] 6s24f12
What is Erbium?
True or False: The earth is older than one mole in years.
What is false?
True or False; Melting point is a physical property.
What is True?
You operate a steel mill with your friends. If each day you produce 6.3 tons of steel, how many kilograms are you producing? (1 ton = 2000 lbs, 1 lbs = 454 g)
What is 5720 kilograms of steel?
I individually count out the number of sugar crystals in a sugar cube. That number comes out to 2.54 x 1021 molecules of sucrose (C12H22O11). How many grams would my sugar cube weigh?
What is 1.44 grams?
What is the electron configuration for Ag?
What is [Kr] 5s14d10
What is the angular momentum quantum number?
One synthetic compound called PG5 has a chemical formula of C8H18O4. How many atoms make up this compound? How many molecules make up this compound?
What is 30 atoms? What is 1 molecule?
Mars is 52.7 million miles away. If the average iphone 13 is 15.25 centimeters tall, how many iphones would you need in order to reach mars if they were stacked from end to end? (1 mile = 5280 feet, 1 inch = 2.54 cm)
What is 5.56 x 1011 iphone 13's?
A new element contains three isotopes at the following percentages: 90% X-85, 7% X-86, and 3% X-87. What is the average atomic mass of the new element? How much would 2.5 moles of the element weigh?
What is 85.13 amu, what is 212.83 grams?
Describe the process by which an electron can emit light. Also, how much energy is released when an electron undergoes this process?
1. Absorbs energy and moves to further energy level
2. Drops back down to lower energy orbital and releases photon.
Same amount as absorbed!
Currently it's estimated that there are 10,000,000,000,000,000,000 individual insects alive on the planet. Assuming an average mass of 1.5 g per insect, how many moles of sulfuric acid (H2SO4) would I need to exterminate all the bugs if I need at least 4.45 x 1019 molecules per gram of bug? BONUS: How many tons is this?
What is 1.11 x 1015 moles? What is 1.2 x 1011 tons?